ROLTEK

Introduction
Create Device On Thingsboard
Configuring Roltek DC620
Adding Widget to the Dashboard
Next steps

Introduction

This article contains instructions on how to configure ThingsBoard IoT platform and connect Roltek DC620 device. ThingsBoard IoT platform is an open-source IoT platform for data collection, processing, visualization, and device management. It enables device connectivity via industry standard IoT protocols - MQTT, CoAP and HTTP and supports both cloud and on-premises deployments. ThingsBoard combines scalability, fault-tolerance and performance so you will never lose your data.

Create Device On Thingsboard

Click “plus” button then click “Add new device” button to add new device. Enter name for your device. Then click “Next: Credentials” button;

Enable “Add credentials” option. Enter the desirable Access Token and click “Add” button to save changes.

Configuring Roltek DC620

First connect your device to the Internet via WiFi or Ethernet as described in the user manual.

On the “MQTT Settings” page:

Set “MQTT Mode” to enable;
Enter your Thingsboard Server hostname or IP to “MQTT Broker URI”;
Enter your Access Token to “MQTT Broker Username”;
Click Save button.

Users can add Nodes and Tags as described in the user manual. In this demo we will work with device’s default node and tags.

On the Rules page navigate to the MQTT Payloads tab and click Add MQTT Payload button.

In new window enter values:

Select Payload Type - JSON;
Enter “{” to Header;
Enter “$V”:#V to Pattern;
Enter “,” to Seperator;
Enter “}” to Ending;
Click Save button.

On the Rules page navigate to the MQTT Publishers tab and click Add MQTT Publisher button.

In new window enter values:

Enter publish period you want to Period;
Choose QoS option you want;
Choose Retain value you want;
Enter “v1/devices/me/telemetry” to Topic;
Choose Payload we previously added. (1 in this case);
Select tag or tags you want to publish;
Click Save button.

The collected data can be displayed using various widgets. To create one you should be able to see gathered data in the Latest telemetry section.

To access it you should follow these steps:

Go to the Devices on the left menu;
Select previously configure device;
Navigate to the Latest Telemetry tab;
Click on the gathered data row;
Press Show on widget button.

Choose widget bundle accordingly to your data. Choose suitable chart for your data visualization. Click “Add to dashboard” button.

Now select “Create new dashboard”. Mark “Open dashboard” (with this option enabled after addition you will be redirected to newly created dashboard) and click “Add” to create new dashboard.

Next steps

Getting started guides - These guides provide quick overview of main ThingsBoard features. Designed to be completed in 15-30 minutes.
Connect your device - Learn how to connect devices based on your connectivity technology or solution.
Data visualization - These guides contain instructions on how to configure complex ThingsBoard dashboards.
Data processing & actions - Learn how to use ThingsBoard Rule Engine.
IoT Data analytics - Learn how to use rule engine to perform basic analytics tasks.
Advanced features - Learn about advanced ThingsBoard features.
Contribution and Development - Learn about contribution and development in ThingsBoard.

ROLTEK

Introduction

Create Device On Thingsboard

Configuring Roltek DC620

Adding Widget to the Dashboard

Next steps